Blade holder

Claim 1

IN A BLADE HOLDER FOR A LONGITUDINALLY EXTENDING PLATE LIKE BLADE, THE LATTER HAVING AN APERTURE MEANS IN A MEDIAL PORTION, A SHARPENED WORKING END PORTION AND AN OPPOSITE NONSHARPENED END, THE BLADE HOLDER INCLUDING A CLAMPING MEANS ASSEMBLED IN USE IN AN END OF A HANDLE, SAID CLAMPING MEANS INCLUDING IN EXTERIOR CONFIGURATION A LONGITUDINALLY EXTENDING TOP PORTION, THEREBELOW A PORTION WHICH IS OF AN INVERTED CIRCULAR CONICAL SHAPE SMOOTHLY MERGING INTO A CYLINDRICALLY SHAPED PORTION, AND AT ITS BASE A CONSTANT DIAMETER THREADED PORTION, A LONGITUDINAL THROUGH-SLOT MEANS OF DOWNWARDLY DECREASING TRANSVERSE WIDTH WHEN SAID CLAMPING MEANS IS DISASSEMBLED WITH SAID HANDLE, SAID SLOT EXTENDING FROM THE TOP OF THE CLAMPING MEANS DOWNWARD PAST THE CONICAL PORTION AND TERMINATING AT THE CONSTANT DIAMETER THREADED PORTION WITH A BASE LONGITUDINALLY HIGHER AT ONE END THAN AT THE OTHER END, SAID SLOT MEANS FORMING IN THE CLAMPING MEANS A BIFURCATED UPPER END AND MEDIAL PORTION AND INCLUDING SIMILAR LEFT AND RIGHT RESILIENT LEG MEMBERS, MEANS FORMING A PAIR OF HORIZONTALLY ALIGNED OPENINGS IN THE LEGS ADJACENT THEIR UPPER ENDS, AND A STUD CONCENTRICALLY FIXED IN ONE OF THE OPENINGS OF ONE LEG AND PROJECTING AWAY FROM A FACE OF THE SLOT A DISTANCE SLIGHTLY MORE THAN THE MINIMUM SLOT WIDTH, THE HANDLE POSSESSING A CYLINDRICAL TOP BORE MEANS OF SUCH DIAMETER AS TO CONTACT AT ITS TOP UPON ASSEMBLY A PERIMETER OF THE CONICAL PORTION OF THE CLAMPING MEANS AND OF SUCH VERTICAL DEPTH AS TO ACCOMMODATE THE CYLINDRICAL PORTION AND A MAJOR PART OF THE CONICAL PORTION OF SAID CLAMPING MEANS, AND A CONCENTRIC THREADED COUNTERBORE MEANS EXTENDING DOWNWARDLY FROM THE BOTTOM OF SAID TOP BORE MEANS A DISTANCE SOMEWHAT GREATER THAN THAT OF THE THREADED PORTION OF SAID CLAMPING MEANS WHICH UPON ASSEMBLY IS THREADED THEREIN, WHEREBY UPON THREADING THE BASE OF THE CLAMPING MEANS FOR ITS FULL HEIGHT INTO SAID THREADED COUNTERBORE, THE BIFURCATED LEGS ARE DRAWN TOGETHER SO AS TO UNIFY THE SLOT WIDTH FOR ITS FULL HEIGHT AND THE PROJECTING END OF SAID STUD OF ONE LEG ENTERS THE ALIGNED OPENING IN THE OTHER LEG.